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I/O Expanders

Manufacturer	Series	Package/Case	Packaging	Part Status	Programmable	Number of I/O	Interrupt Output	Features	Output Type	Current - Output Source/Sink	Clock Frequency	Interface	Voltage - Supply	Operating Temperature	Grade	Supplier Device Package	Qualification	Mounting Style
3PEAK ABLIC Inc. Analog Devices Inc. Analog Devices Inc./Maxim Integrated Broadcom Limited Catalyst Semiconductor Inc. Cypress Semiconductor Corp Diodes Incorporated Harris Corporation Infineon Technologies Intersil Kinetic Technologies Lumissil Microsystems MaxLinear, Inc. Microchip Technology Motorola National Semiconductor Nexperia USA Inc. NOVOSENSE Nuvoton Technology Corporation NXP Semiconductors onsemi Renesas Rochester Electronics, LLC ROHM Semiconductor Sanyo Semtech Corporation Silicon Labs Skyworks Solutions Inc. SMSC SparkFun Electronics STMicroelectronics Texas Instruments	* - Agile CAT9534 CAT9554 CAT9554A CAT9555 MC1200 SAS4xNN Xpander Logic™	- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 100-LQFP 12-XFQFN 14-CFlatPack 14-DIP (0.300", 7.62mm) 14-SOIC (0.154", 3.90mm Width) 16-DIP (0.300", 7.62mm) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.209", 5.30mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SSOP (0.154", 3.90mm Width) 16-SSOP (0.209", 5.30mm Width) 16-TFSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-UFBGA, CSPBGA 16-UFBGA, WLBGA 16-UFQFN 16-VFQFN Exposed Pad 16-VQFN Exposed Pad 16-WFBGA, DSBGA 16-WFQFN Exposed Pad 16-WQFN Exposed Pad 16-XFBGA 16-XFLGA 16-XFQFN 16-XFQFN Exposed Pad 18-DIP (0.300", 7.62mm) 18-SOIC (0.295", 7.50mm Width) 20-LSSOP (0.173", 4.40mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SSOP (0.209", 5.30mm Width) 20-TFSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-UFBGA 20-UFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VQFN Exposed Pad 24-CDIP (0.600", 15.24mm) 24-DIP (0.600", 15.24mm) 24-QFN 24-SOIC (0.295", 7.50mm Width) 24-SOP (0.236", 6.00mm Width) 24-SSOP (0.154", 3.90mm Width) 24-SSOP (0.209", 5.30mm Width) 24-TFSOP (0.173", 4.40mm Width) 24-TSSOP (0.173", 4.40mm Width) 24-TSSOP (0.307", 4.40mm Width) 24-UFBGA 24-VFBGA 24-VFQFN Exposed Pad 24-WFQFN Exposed Pad 24-WFQFN Exposed Pad, CSP 24-XFBGA 24-XFLGA 25-TFBGA 25-UFBGA, WLCSP 25-VFBGA, WLBGA 25-WFBGA, WLCSP 25-XFBGA, DSBGA 28-DIP (0.300", 7.62mm) 28-SOIC (0.295", 7.50mm Width) 28-SSOP (0.209", 5.30mm Width) 28-TSSOP (0.173", 4.40mm Width) 28-UFQFN Exposed Pad 28-VQFN Exposed Pad 28-WFQFN Exposed Pad 32-UFQFN Exposed Pad 32-VFQFN Exposed Pad 32-WFQFN Exposed Pad 35-VFBGA 36-BSOP (0.295", 7.50mm Width) 36-SOP (0.311", 7.90mm Width) 36-TFBGA 36-VFBGA 36-VFBGA, WLBGA 40-CDIP (0.600", 15.24mm) 40-DIP (0.600", 15.24mm) 40-VFQFN Exposed Pad 40-WFQFN Exposed Pad 42-VFBGA 44-LCC (J-Lead) 44-QFP 46-WFQFN Exposed Pad 48-BSSOP (0.295", 7.50mm Width) 56-TFSOP (0.240", 6.10mm Width) 56-VFQFN Exposed Pad 56-WFQFN Exposed Pad 8-SOIC (0.154", 3.90mm Width) 8-TFSOJ (0.069", 1.75mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-UFQFN Exposed Pad 8-VFDFN Exposed Pad 8-XFBGA, DSBGA 8-XFDFN Exposed Pad 8-XFQFN Exposed Pad Die	Bag Bulk Tape & Reel (TR) Tray Tube	Active Discontinued at InFortune Last Time Buy Not For New Designs Obsolete	- Not Verified Verified	- 1 10 14 16 16 (8 Output Only) 16 (Input Only) 18 20 22 24 28 3 34 4 40 48 5 60 8 8 (Input Only) 8 (Output Only) 9	- No Yes	- ADC, EEPROM, POR, PWM Buzzer Outputs, LED Outputs, POR DAC, POR EEPROM EEPROM, POR EEPROM, POR, PWM EEPROM, POR, PWM, WDT Fan Speed Controller Keypad Controller, LED Output, POR Keypad Controller, POR Keypad Controller, POR, PWM LED Output(s) LED Output(s), POR POR PWM	- CMOS, Open-Drain Open Collector, Open Drain, Push-Pull Open Drain Open Drain, Push-Pull Push-Pull	- 100mA 100µA, 25mA 10mA 10mA, 10mA 10mA, 15mA 10mA, 20mA 10mA, 24mA 10mA, 25mA 12mA 160mA 16mA 18mA, 30mA 1mA, 25mA 1mA, 3mA 2.5mA 20mA 25mA 300µA, 25mA 300µA, 41mA 300µA, 42mA 300µA, 43mA 31mA, 43mA 3mA 4.4mA, 6.1mA 4.5mA, 10mA 42mA 42mA, 480µA 4mA 50mA 65mA 6mA 7mA, 10mA 8mA, 15mA 8mA, 24mA	- 1 MHz 1.7 MHz 10 MHz 100 kHz 20 MHz 25 MHz 26 MHz 3.4 MHz 4 MHz 400 kHz 5 MHz	- 1-Wire® 2-Wire CAN (1-Wire) CAN V2.0b CMOS I2C I2C, 2-Wire Serial I2C, JTAG I2C, Serial I2C, SMBus I2C, SPI MIPI® RFFE Parallel Serial SMBus SPI SPI Serial	- 0.8V ~ 3.6V, 1.65V ~ 5.5V 1.08V ~ 3.6V 1.1V ~ 3.6V 1.1V ~ 5.5V, 1.65V ~ 5.5V 1.2V ~ 3.6V 1.2V ~ 5.5V 1.425V ~ 3.6V 1.65V ~ 1.95V 1.65V ~ 3.6V 1.65V ~ 4V 1.65V ~ 5.5V 1.71V ~ 5.5V 1.7V ~ 5.5V 1.8V ~ 3.3V 1.8V ~ 5.5V 2.25V ~ 3.6V 2.3V ~ 3.6V 2.3V ~ 4.5V 2.3V ~ 5.5V 2.4V ~ 5.5V 2.5V ~ 3.6V 2.5V ~ 5.5V 2.5V ~ 6V 2.75V ~ 5.5V 2.7V ~ 3.6V 2.7V ~ 5.5V 2.8V ~ 5.25V 2V ~ 3.6V 2V ~ 5.5V 2V ~ 6V 3.3V 3V ~ 3.6V 3V ~ 5.25V 3V ~ 5.5V 4.2V ~ 6V 4.5V ~ 5.5V 4V ~ 10.5V 4V ~ 6.5V 5.2V	- -20°C ~ 85°C -25°C ~ 85°C -30°C ~ 70°C -30°C ~ 85°C -40°C ~ 105°C -40°C ~ 125°C -40°C ~ 85°C -55°C ~ 125°C 0°C ~ 70°C 0°C ~ 85°C	- Automotive	- 10-MSOP 10-TSSOP 10-VSSOP 100-TQFP (14x14) 12-XQFN (2x1.7) 14-CFlatPack 14-PDIP 14-SOIC 14-SOP 16-DIP 16-DSBGA (2.5x2.12) 16-HVQFN (3x3) 16-HVQFN (4x4) 16-HXQFNU (2x2) 16-PDIP 16-QFN (2.6x1.8) 16-QFN (3x3) 16-QSOP 16-SO 16-SOEIAJ 16-SOIC 16-SOP 16-SSOP 16-TQFN (3x3) 16-TQFN (4x4) 16-TSSOP 16-TVSOP 16-UCSP (2x2) 16-UMLP (1.8x2.6) 16-UQFN (1.8x2.6) 16-UQFN (2.6x1.8) 16-VQFN (3x3) 16-VQFN (4x3.5) 16-VQFN (4x4) 16-X2QFN (1.6x1.6) 16-XFBGA (1.6x1.6) 16-XQFN (1.8x2.6) 18-PDIP 18-SOIC 20-BGA Microstar Junior (2.5x3.0) 20-HVQFN (5x5) 20-QFN (4x4) 20-QFN-UT (3x3) 20-SO 20-SSOP 20-TSSOP 20-TVSOP 20-VQFN (3.5x4.5) 24-BGA MICROSTAR JUNIOR (3x3) 24-DHVQFN (5.5x3.5) 24-DIP 24-HVQFN (4x4) 24-HWQFN (4x4) 24-LFCSP-WQ (4x4) 24-MFPSJ 24-PDIP 24-QFN 24-QFN (4x4) 24-QSOP 24-SBDIP 24-SO 24-SOIC 24-SOP 24-SSOP 24-TQFN (4x4) 24-TQFN-EP (3.5x3.5) 24-TQFN-EP (4x4) 24-TSSOP 24-TVSOP 24-UFBGA (2x2) 24-VFBGA (3x3) 24-VQFN (4x4) 24-WQFN (4x4) 24-X2QFN (2x2) 24-XFBGA (2x2) 25-DSBGA 25-FlipChip (2x2) 25-FOWLP (2x2) 25-TFBGA (3x3) 25-WLCSP (1.97x1.97) 28-PDIP 28-QFN (6x6) 28-QFN-UT (4x4) 28-SOIC 28-SPDIP 28-SSOP 28-TQFN (5x5) 28-TSSOP 32-HUQFN (5x5) 32-HVQFN (5x5) 32-TQFN (3x6) 32-TQFN (5x5) 32-UQFN (5x5) 36-FOWLP (2.6x2.6) 36-MFPSDJ 36-SSOP 36-TFBGA (3.5x3.5) 36-VFBGA (2.6x2.6) 40-Cerdip 40-PDIP 40-SQFN (6x6) 40-TQFN (6x6) 42-VFBGA (2.6x3) 44-MQFP (10x10) 44-PLCC (16.58x16.58) 48-SSOP 56-HVQFN (8x8) 56-TQFN (7x7) 56-TSSOP 8-DSBGA (1.9x0.9) 8-HVSON (3x3) 8-MSOP 8-MSOP-EP 8-SC70JW 8-SO 8-SOIC 8-TSSOP 8-UQFN (1.6x1.6) 8-VSSOP 8-X2SON (1.35x0.8) 8-XQFN (1.6x1.6) Die VBGA035W040 VQFN016V3030 W-QFN4565-46 (SWP) WLP-16A-C	- AEC-Q100	- Surface Mount Surface Mount, Wettable Flank Through Hole

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Part Status	Programmable	Number of I/O	Interrupt Output	Features	Output Type	Current - Output Source/Sink	Clock Frequency	Interface	Voltage - Supply	Operating Temperature	Grade	Supplier Device Package	Qualification	Mounting Style
PCA9500BS,118 IC XPND 400KHZ I2C SMBUS 16HVQFN NXP USA Inc.	32,894	-	RFQ	Datasheet	-	16-VQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	8	No	EEPROM, POR	Push-Pull	100µA, 25mA	400 kHz	I2C, SMBus	2.5V ~ 3.6V	-40°C ~ 85°C	-	16-HVQFN (4x4)	-	Surface Mount
PCA9500PW,118 IC XPND 400KHZ I2C SMBUS 16TSSOP NXP USA Inc.	20,306	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	8	No	EEPROM, POR	Push-Pull	100µA, 25mA	400 kHz	I2C, SMBus	2.5V ~ 3.6V	-40°C ~ 85°C	-	16-TSSOP	-	Surface Mount
PCAL9535AHF,128 IC XPNDR 400KHZ I2C 24HWQFN NXP USA Inc.	10,042	-	RFQ	Datasheet	Agile	24-WFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Open Drain, Push-Pull	10mA, 25mA	400 kHz	I2C	1.65V ~ 5.5V	-40°C ~ 85°C	-	24-HWQFN (4x4)	-	Surface Mount
PCAL9539APW,118 IC XPND 400KHZ I2C SMBUS 24TSSOP NXP USA Inc.	572	-	RFQ	Datasheet	Agile	24-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Open Drain, Push-Pull	10mA, 25mA	400 kHz	I2C, SMBus	1.65V ~ 5.5V	-40°C ~ 85°C	-	24-TSSOP	-	Surface Mount
PCF8575TS/1,118 IC XPNDR 400KHZ I2C 24SSOP NXP USA Inc.	5,551	-	RFQ	Datasheet	-	24-SSOP (0.209", 5.30mm Width)	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	I2C	2.5V ~ 5.5V	-40°C ~ 85°C	-	24-SSOP	-	Surface Mount
PCF8575TS/1,112 IC XPNDR 400KHZ I2C 24SSOP NXP USA Inc.	4,309	-	RFQ	Datasheet	-	24-SSOP (0.209", 5.30mm Width)	Tube	Active	Not Verified	16	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	I2C	2.5V ~ 5.5V	-40°C ~ 85°C	-	24-SSOP	-	Surface Mount
PCA9555DB,118 IC XPNDR 400KHZ I2C SMBUS 24SSOP NXP USA Inc.	888	-	RFQ	Datasheet	-	24-SSOP (0.209", 5.30mm Width)	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	I2C, SMBus	2.3V ~ 5.5V	-40°C ~ 85°C	-	24-SSOP	-	Surface Mount
PCF8575DWR IC XPNDR 400KHZ I2C SMBUS 24SOIC Texas Instruments	3,012	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Push-Pull	1mA, 25mA	400 kHz	I2C, SMBus	2.5V ~ 5.5V	-40°C ~ 85°C	-	24-SOIC	-	Surface Mount
PCA9539PWR IC XPND 400KHZ I2C SMBUS 24TSSOP Texas Instruments	3,575	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Not For New Designs	Not Verified	16	Yes	POR	Push-Pull	10mA, 25mA	400 kHz	I2C, SMBus	2.3V ~ 5.5V	-40°C ~ 85°C	-	24-TSSOP	-	Surface Mount
PCAL6534EVJ IC XPNDR 1MHZ I2C 42VFBGA NXP USA Inc.	3,941	-	RFQ	Datasheet	Agile	42-VFBGA	Tape & Reel (TR)	Active	Not Verified	34	Yes	POR	Open Drain, Push-Pull	-	1 MHz	I2C	1.65V ~ 5.5V	-40°C ~ 85°C	-	42-VFBGA (2.6x3)	-	Surface Mount
PCF8575DBR IC XPNDR 400KHZ I2C SMBUS 24SSOP Texas Instruments	2,874	-	RFQ	Datasheet	-	24-SSOP (0.209", 5.30mm Width)	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Push-Pull	1mA, 25mA	400 kHz	I2C, SMBus	2.5V ~ 5.5V	-40°C ~ 85°C	-	24-SSOP	-	Surface Mount
PI4IOE5V6416RQ2LEX IC XPNDR 400KHZ I2C 24TSSOP Diodes Incorporated	31,075	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	16	Yes	POR	Open Drain, Push-Pull	-	400 kHz	I2C	1.65V ~ 5.5V	-40°C ~ 105°C	Automotive	24-TSSOP	AEC-Q100	Surface Mount
SX1509BIULTRT IC XPNDR 400KHZ I2C 28QFN Semtech Corporation	62,070	-	RFQ	Datasheet	-	28-UFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	16	Yes	Keypad Controller, LED Output, POR	Open Drain, Push-Pull	8mA, 15mA	400 kHz	I2C	1.425V ~ 3.6V	-40°C ~ 85°C	-	28-QFN-UT (4x4)	-	Surface Mount
PI4IOE5V96248ZLEX IC XPNDR 1MHZ I2C 56TQFN Diodes Incorporated	1,197	-	RFQ	Datasheet	-	56-WFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	48	Yes	-	Push-Pull	42mA, 480µA	1 MHz	I2C	2.3V ~ 5.5V	-40°C ~ 85°C	-	56-TQFN (7x7)	-	Surface Mount
PI4IOE5V6534Q2ZLWEX IC XPNDR 100KHZ I2C 46QFN Diodes Incorporated	4,539	-	RFQ	Datasheet	-	46-WFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	34	Yes	-	-	10mA, 10mA	100 kHz	I2C	1.65V ~ 5.5V	-40°C ~ 105°C	Automotive	W-QFN4565-46 (SWP)	AEC-Q100	Surface Mount, Wettable Flank
DS4520E+TRL IC XPNDR 400KHZ I2C 16TSSOP Analog Devices Inc./Maxim Integrated	21,890	-	RFQ	Datasheet	-	16-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	9	No	EEPROM, POR	Open Drain	12mA	400 kHz	I2C	2.7V ~ 5.5V	-40°C ~ 85°C	-	16-TSSOP	-	Surface Mount
ADP5587ACBZ-R7 IC XPNDR 400KHZ I2C 25WLCSP Analog Devices Inc.	2	-	RFQ	Datasheet	-	25-UFBGA, WLCSP	Tape & Reel (TR)	Active	Not Verified	18	Yes	Keypad Controller, POR	Open Drain	-	400 kHz	I2C	1.65V ~ 3.6V	-40°C ~ 85°C	-	25-WLCSP (1.97x1.97)	-	Surface Mount
SX1509QBIULTRT IC XPNDR 400KHZ I2C 28QFN Semtech Corporation	25,691	-	RFQ	Datasheet	-	28-UFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	16	Yes	Keypad Controller, LED Output, POR	Open Drain, Push-Pull	8mA, 15mA	400 kHz	I2C	1.425V ~ 3.6V	-40°C ~ 85°C	-	28-QFN-UT (4x4)	-	Surface Mount
MAX7321ATE+ IC XPNDR 400KHZ I2C 16TQFN Analog Devices Inc./Maxim Integrated	2,072	-	RFQ	Datasheet	-	16-WFQFN Exposed Pad	Tube	Active	Not Verified	8	Yes	POR	Open Drain, Push-Pull	20mA	400 kHz	I2C	1.71V ~ 5.5V	-40°C ~ 125°C	-	16-TQFN (3x3)	-	Surface Mount
MAX7321ATE+T IC XPNDR 400KHZ I2C 16TQFN Analog Devices Inc./Maxim Integrated	19,343	-	RFQ	Datasheet	-	16-WFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	8	Yes	POR	Open Drain, Push-Pull	20mA	400 kHz	I2C	1.71V ~ 5.5V	-40°C ~ 125°C	-	16-TQFN (3x3)	-	Surface Mount

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